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EN 1.4123 Stainless Steel vs. Titanium 6-6-2

EN 1.4123 stainless steel belongs to the iron alloys classification, while titanium 6-6-2 belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is titanium 6-6-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
44
Tensile Strength: Ultimate (UTS), MPa 720 to 810
1140 to 1370

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Maximum Temperature: Mechanical, °C 840
310
Melting Completion (Liquidus), °C 1450
1610
Melting Onset (Solidus), °C 1410
1560
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 23
5.5
Thermal Expansion, µm/m-K 10
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
40
Density, g/cm3 7.7
4.8
Embodied Carbon, kg CO2/kg material 4.2
29
Embodied Energy, MJ/kg 62
470
Embodied Water, L/kg 120
200

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
34
Strength to Weight: Axial, points 26 to 29
66 to 79
Strength to Weight: Bending, points 23 to 25
50 to 57
Thermal Diffusivity, mm2/s 6.3
2.1
Thermal Shock Resistance, points 26 to 29
75 to 90

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.0
Carbon (C), % 0.35 to 0.5
0 to 0.050
Chromium (Cr), % 14 to 16.5
0
Copper (Cu), % 0
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 76.7 to 84.6
0.35 to 1.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.0 to 2.5
5.0 to 6.0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0.1 to 0.3
0 to 0.040
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0
82.8 to 87.8
Vanadium (V), % 0 to 1.5
0
Residuals, % 0
0 to 0.4

Comparable Variants